4. EDIT

CHAPTER 4 "TREATMENT" 5 1.1 Material Select the command and the objects to modify by selecting one by one, or selecting with a polyline, or selecting with a window, or selecting with a polygon, or selecting a group . Right-click to display the dialog box: Where you can modify: - the type of material, from the list of materials, - the designation orthotropic or isotropic, (recall that a material is orthotropic when it has different properties in each direction. By selecting "Orthotropic", the parameters must satisfy the relation ), 1. General